%% colour map for doing scatter plots (3D plots), which looks OK when printed B&W
colormap([[1  1  0],
[0.9375  1  0.0625],
[0.875  1  0.125],
[0.8125  1  0.1875],
[0.75  1  0.25],
[0.6875  1  0.3125],
[0.625  1  0.375],
[0.5625  1  0.4375],
[0.5  1  0.5],
[0.4375  1  0.5625],
[0.375  1  0.625],
[0.3125  1  0.6875],
[0.25  1  0.75],
[0.1875  1  0.8125],
[0.125  1  0.875],
[0.0625  1  0.9375],
[0  1  1],
[0  0.9375  1],
[0  0.875  1],
[0  0.8125  1],
[0  0.75  1],
[0  0.6875  1],
[0  0.625  1],
[0  0.5625  1],
[0  0.5  1],
[0  0.4375  1],
[0  0.375  1],
[0  0.3125  1],
[0  0.25  1],
[0  0.1875  1],
[0  0.125  1],
[0  0.0625  1],
[0  0  1],
[0  0  0.9375],
[0  0  0.875],
[0       0  0.8125],
[0  0  0.75],
[0  0  0.6875],
[0  0  0.625],
[0  0  0.5625],
[0       0       0.5],
[0  0  0.375],
[0       0       0.25],
[0       0       0.125],
[0  0  0]]);